MOA-2006-BLG-074: recognizing xallarap contaminants in planetary microlensing
P. Rota,
Y. Hirao,
V. Bozza
et al.
Abstract:MOA-2006-BLG-074 was selected as one of the most promising planetary candidates in a retrospective analysis of the MOA collaboration: its asymmetric high-magnification peak can be perfectly explained by a source passing across a central caustic deformed by a small planet. However, after a detailed analysis of the residuals, we have realized that a single lens and a source orbiting with a faint companion provides a more satisfactory explanation for all the observed deviations from a Paczynski curve and the only… Show more
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